Description
SIME COMFORT BOILER GAS VALVE 6243823
This part is taken from a completely functioning boiler. The quality of the product is assured as all our products are quality-checked by our experienced engineering team. However, the product might have slight cosmetic marks as it is a part of a used boiler. All our products come with 12 months warranty.
The gas valve is a gas distribution mechanism. When the need for gas in the burner increases, a message is sent from the printed circuit board to the gas valve, which opens and allows gas to flow through the valve in to the burner or the pilot assembly dependant on the model of the appliance.
This parts For:
Sime Murelle HE 20 SYSTEM
Sime Murelle HE 25 SYSTEM
Sime Murelle HE 30 SYSTEM
Sime Murelle HE 35 SYSTEM
Sime Murelle HE 25
Sime Murelle HE 30
Sime Murelle HE 35
Sime Murelle EV HE 25/55
Sime Murelle EV HE 30/55
Sime Murelle EV HE 12 T
Sime Murelle EV HE 20 T
Sime Murelle EV HE 25 T
Sime Murelle EV HE 30 T
Sime Murelle EV HE 35 T
Sime Murelle EV HE 25
Sime Murelle EV HE 30
Sime Murelle EV HE 35
Sime Format DGT 25 HE
Sime Format DGT 30 HE
Sime Format DGT 35 HE
Sime Format DGT 12 HE SYSTEM
Sime Format DGT 20 HE SYSTEM
Please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above.
     Please note all prices are inclusive of VAT.
Frequently Asked Questions
1. What boilers are compatible with the Sime Comfort Gas Valve 6243823?
The gas valve fits multiple Sime models including Murelle HE 12, 20, 25, 30, 35 SYSTEM, Murelle EV HE 12, 20, 25, 30, 35 T and standard models, and Format DGT 12, 20, 25, 30, 35 HE SYSTEM. Always confirm the part number on your boiler before purchasing.
2. What is the function of the gas valve in a boiler?
The gas valve controls the flow of gas to the burner or pilot assembly. It opens and closes based on signals from the boiler’s printed circuit board, ensuring the correct amount of gas is delivered for heating and hot water production.
3. How long is the warranty for this gas valve?
Pre-owned Sime Comfort Gas Valves come with a 6-month warranty, covering functional defects. Brand new gas valves are supplied with a 12-month warranty.
4. How do I know if this gas valve is the correct part for my boiler?
Check the manufacturer part number of your existing valve against 6243823. Using the correct part ensures proper operation and safety of your boiler.
5. Can the gas valve be installed on multiple types of Sime boilers?
Yes, this gas valve is compatible with both system and standard Sime boilers, including Murelle HE and EV HE series, as well as Format DGT models. It supports various heating and hot water configurations depending on your boiler type.








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